Trailboss doesn't just give subsonic velocity. It will give velocities in the 1400-1700fps range depending on cartridge and projectile.
Type: Posts; User: stug
Trailboss doesn't just give subsonic velocity. It will give velocities in the 1400-1700fps range depending on cartridge and projectile.
You could try switching to Trailboss, that will fill the case and stop the hangfire. Velocity will be low as well.